Feat(judgehost): test legacy with debian11

roles/configure_judgehost/tasks/main.yml

@@ -3,11 +3,7 @@
   ansible.builtin.lineinfile:
     path: /boot/loader/entries/arch.conf
     line: >-
-      options
-      cgroup_enable=memory
-      swapaccount=1
-      SYSTEMD_CGROUP_ENABLE_LEGACY_FORCE=1
-      systemd.unified_cgroup_hierarchy=0
+      options cgroup_enable=memory
   notify: Reboot
 - name: Flush handlers
   ansible.builtin.meta: flush_handlers

roles/configure_judgehost_legacy/tasks/domjudge.yml

@@ -0,0 +1,13 @@
+- name: Download domjudge tarball
+  ansible.builtin.get_url:
+    url: "{{ domjudge_tarball_url }}"
+    dest: /opt/
+    mode: '0644'
+    owner: root
+    group: root
+  register: downloaded_tarball
+- name: Extract domjudge tarball
+  ansible.builtin.unarchive:
+    src: "{{ downloaded_tarball.dest }}"
+    dest: "{{ (downloaded_tarball.dest | basename).split('.') | first }}"
+    remote_src: true

roles/install_packages_debian11/tasks/main.yml

@@ -0,0 +1,18 @@
+---
+- name: Install packages
+  ansible.builtin.apt:
+    pkg:
+      - make
+      - pkg-config
+      - sudo
+      - debootstrap
+      - libcgroup-dev
+      - php-cli
+      - php-curl
+      - php-json
+      - php-xml
+      - php-zip
+      - lsof
+      - procps
+      - gcc
+      - g++